WC
Walter Cooper — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Kentucky
Our Model Tree links this Walter Cooper across the 1910, 1920 and 1930 US Censuses in Jefferson, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 3-person household.
Age 33
b. ~1897
Male
Head
Born: Kentucky
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Kentucky |
| Surname | Cooper |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 18 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | Machinist |
| Industry | Auto Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 17.00 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Machinist |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1897 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Nettie Cooper | Daughter | — | 8 | ~1922 |
| Walter Cooper | Head | — | 33 | ~1897 |
| Bertha Cooper | Spouse | — | 34 | ~1896 |
Census Appearances
1910
Jefferson, Kentucky
Other, age 15
Jefferson, Kentucky · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Willie |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Jefferson, Kentucky
Head, age 24
Jefferson, Kentucky · implied b. ~1896 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Express Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Head, age 33
Jefferson, Kentucky · implied b. ~1897 — 3 household members
| Surname | Cooper |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 18 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Machinist |
| Industry | Auto Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 17.00 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Walter Cooper across 3 US Census years (1910, 1920 and 1930) in Jefferson, Kentucky, using XGBoost record linkage.
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This person
Anchor record
Walter Cooper
Head · 1930 · age 33 · b. ~1897 · Kentucky
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Jefferson, Kentucky
Open full size
1930 US Federal Census — Jefferson, Kentucky
Page Contents
46 people indexed on this census page (ia:1930:kentuckycensus00reel753:0285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Nix | 59 | Head | Teamster | Kentucky |
| 2 | Mary Nix | 45 | Wife | — | Kentucky |
| 3 | Walter Cooper THIS PERSON | 33 | Head | Machinist | Kentucky |
| 4 | Bertha Cooper | 34 | Wife | — | Kentucky |
| 5 | Nettie M. Cooper | 8 | Daughter | — | Kentucky |
| 6 | Richard Haller | 24 | Head | Laborer | Kentucky |
| 7 | Ethel Haller | 24 | Wife | — | Kentucky |
| 8 | Richard Haller | 3 | Son | — | Kentucky |
| 9 | Paul Haller | 1 | Son | — | Kentucky |
| 10 | Anna B. White | 11 | Sister-in-law | — | Kentucky |
| 11 | Ernest Hepp | 60 | Head | Butcher | Kentucky |
| 12 | Mary Hepp | 61 | Wife | — | Kentucky |
| 13 | Martin J. Lauer | 38 | Head | Laborer | Kentucky |
| 14 | Ruby A. Lauer | 35 | Wife | — | Kentucky |
| 15 | Melvin J. Lauer | 14 | Son | — | Kentucky |
| 16 | Doris M. Lauer | 13 | Daughter | — | Kentucky |
| 17 | Edward Rager | 45 | Head | Laborer | Kentucky |
| 18 | Naomi Rager | 40 | Wife | — | Kentucky |
| 19 | Henry P. Tholke | 45 | Head | Salesman | Kentucky |
| 20 | Anna Tholke | 40 | Wife | — | Kentucky |
| 21 | Henry P. Tholke | 13 | Son | — | Kentucky |
| 22 | Morris E. Tholke | 3 | Son | — | Kentucky |
| 23 | William O. Tholke | 1 | Son | — | Kentucky |
| 24 | Elizabeth Voll | 76 | Head | — | Kentucky |
| 25 | Bertha Voll | 43 | Daughter | — | Kentucky |
| 26 | Billy Baird | 8 | Boarder | — | Kentucky |
| 27 | Doris M. Baird | 6 | Boarder | — | Kentucky |
| 28 | Earl Cole | 10 | Boarder | — | Kentucky |
| 29 | Lorrain Cole | 6 | Boarder | — | Kentucky |
| 30 | George Dewry | 32 | Head | Seedsman | Pennsylvania |
| 31 | Hattie Dewry | 32 | Wife | — | Kentucky |
| 32 | Charles E. Dewry | 5 | Son | — | Kentucky |
| 33 | Dorothy L. Dewry | 3 | Daughter | — | Kentucky |
| 34 | Eugene Brightwell | 31 | Head | Carpenter | Kentucky |
| 35 | Ella Brightwell | 31 | Wife | — | Ohio |
| 36 | Charles Brightwell | 6 | Son | — | Kentucky |
| 37 | Eugene Brightwell | 4 | Son | — | Kentucky |
| 38 | Stanley Brightwell | 2 | Son | — | Kentucky |
| 39 | Andrew J. Brightwell | 0 | Son | — | Kentucky |
| 40 | Thomas E. Johns | 58 | Head | — | Kentucky |
| 41 | Myrtle Johns | 48 | Wife | — | Illinois |
| 42 | Thomas E. Johns | 24 | Son | Peddler | Kentucky |
| 43 | Joseph Johns | 23 | Son | — | Kentucky |
| 44 | Robert B. Johns | 21 | Son | Painter | Kentucky |
| 45 | Catherine Johns | 17 | Daughter | — | Kentucky |
| 46 | Margarete Johns | 15 | Daughter | — | Kentucky |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)